GB2066620B - Microphone arrays - Google Patents
Microphone arraysInfo
- Publication number
- GB2066620B GB2066620B GB8040183A GB8040183A GB2066620B GB 2066620 B GB2066620 B GB 2066620B GB 8040183 A GB8040183 A GB 8040183A GB 8040183 A GB8040183 A GB 8040183A GB 2066620 B GB2066620 B GB 2066620B
- Authority
- GB
- United Kingdom
- Prior art keywords
- microphone arrays
- microphone
- arrays
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
- B06B1/085—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction using multiple elements, e.g. arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Circuit For Audible Band Transducer (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Micromachines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/104,375 US4311874A (en) | 1979-12-17 | 1979-12-17 | Teleconference microphone arrays |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2066620A GB2066620A (en) | 1981-07-08 |
GB2066620B true GB2066620B (en) | 1984-07-25 |
Family
ID=22300166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8040183A Expired GB2066620B (en) | 1979-12-17 | 1980-12-16 | Microphone arrays |
Country Status (9)
Country | Link |
---|---|
US (1) | US4311874A (en) |
JP (1) | JPS5925554B2 (en) |
KR (1) | KR850000659B1 (en) |
CA (1) | CA1166166A (en) |
DE (1) | DE3046416C2 (en) |
FR (1) | FR2472326B1 (en) |
GB (1) | GB2066620B (en) |
IT (1) | IT1134737B (en) |
NL (1) | NL181965C (en) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3102208C2 (en) * | 1980-01-25 | 1983-01-05 | Victor Company Of Japan, Ltd., Yokohama, Kanagawa | Microphone system with adjustable directional characteristics |
FR2509938B1 (en) * | 1981-04-01 | 1987-11-13 | Trt Telecom Radio Electr | ARRANGEMENT OF ACOUSTIC TRANSDUCERS AND USE OF THIS ARRANGEMENT IN A "HANDS-FREE" TELEPHONE SET |
US4429189A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with a selectively metalized backplate |
US4429193A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with variable effective air gap |
US4434327A (en) * | 1981-11-20 | 1984-02-28 | Bell Telephone Laboratories, Incorporated | Electret transducer with variable actual air gap |
US4429192A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with variable electret foil thickness |
US4429191A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with variably charged electret foil |
US4429190A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Continuous strip electret transducer array |
JPS5939198A (en) * | 1982-08-27 | 1984-03-03 | Victor Co Of Japan Ltd | Microphone device |
US4485484A (en) * | 1982-10-28 | 1984-11-27 | At&T Bell Laboratories | Directable microphone system |
US4555598A (en) * | 1983-09-21 | 1985-11-26 | At&T Bell Laboratories | Teleconferencing acoustic transducer |
US4747132A (en) * | 1984-04-09 | 1988-05-24 | Matsushita Electric Industrial Co., Ltd. | Howling canceller |
US5029215A (en) * | 1989-12-29 | 1991-07-02 | At&T Bell Laboratories | Automatic calibrating apparatus and method for second-order gradient microphone |
FR2688644B1 (en) * | 1992-03-11 | 1997-05-23 | Blanchet Vincent | MICROPHONE WITH FRACTIONAL SENSOR. |
US5426510A (en) * | 1992-06-05 | 1995-06-20 | Dolman Associates, Inc. | Audio-video system |
US5732143A (en) * | 1992-10-29 | 1998-03-24 | Andrea Electronics Corp. | Noise cancellation apparatus |
US5657393A (en) * | 1993-07-30 | 1997-08-12 | Crow; Robert P. | Beamed linear array microphone system |
DE69523243T2 (en) * | 1994-03-24 | 2002-07-11 | Koninklijke Philips Electronics N.V., Eindhoven | AUDIOVISUAL DEVICE AND THIS USING SYSTEM |
US5862240A (en) * | 1995-02-10 | 1999-01-19 | Sony Corporation | Microphone device |
US5940118A (en) * | 1997-12-22 | 1999-08-17 | Nortel Networks Corporation | System and method for steering directional microphones |
US6526147B1 (en) * | 1998-11-12 | 2003-02-25 | Gn Netcom A/S | Microphone array with high directivity |
DE19943875A1 (en) | 1999-09-14 | 2001-03-15 | Thomson Brandt Gmbh | Voice control system with a microphone array |
US20030132950A1 (en) * | 2001-11-27 | 2003-07-17 | Fahri Surucu | Detecting, classifying, and interpreting input events based on stimuli in multiple sensory domains |
US20030174125A1 (en) * | 1999-11-04 | 2003-09-18 | Ilhami Torunoglu | Multiple input modes in overlapping physical space |
US6473514B1 (en) | 2000-01-05 | 2002-10-29 | Gn Netcom, Inc. | High directivity microphone array |
NZ502603A (en) * | 2000-02-02 | 2002-09-27 | Ind Res Ltd | Multitransducer microphone arrays with signal processing for high resolution sound field recording |
US20030048353A1 (en) * | 2001-08-07 | 2003-03-13 | Michael Kenoyer | System and method for high resolution videoconferencing |
US20030125959A1 (en) * | 2001-12-31 | 2003-07-03 | Palmquist Robert D. | Translation device with planar microphone array |
CA2374299A1 (en) * | 2002-03-01 | 2003-09-01 | Charles Whitman Fox | Modular microphone array for surround sound recording |
US20040264726A1 (en) * | 2003-06-30 | 2004-12-30 | Gauger Daniel M. | Microphoning |
US8170233B2 (en) | 2004-02-02 | 2012-05-01 | Harman International Industries, Incorporated | Loudspeaker array system |
GB0405790D0 (en) | 2004-03-15 | 2004-04-21 | Mitel Networks Corp | Universal microphone array stand |
TW200715147A (en) * | 2005-10-03 | 2007-04-16 | Omnidirectional Control Technology Inc | Sound collection device of sound entering array |
US7697827B2 (en) | 2005-10-17 | 2010-04-13 | Konicek Jeffrey C | User-friendlier interfaces for a camera |
JP4929740B2 (en) * | 2006-01-31 | 2012-05-09 | ヤマハ株式会社 | Audio conferencing equipment |
JP4747949B2 (en) * | 2006-05-25 | 2011-08-17 | ヤマハ株式会社 | Audio conferencing equipment |
US7584846B2 (en) | 2007-12-21 | 2009-09-08 | S.C. Johnson & Son, Inc. | Shaped packaging for a refill |
US8923529B2 (en) * | 2008-08-29 | 2014-12-30 | Biamp Systems Corporation | Microphone array system and method for sound acquisition |
NO332961B1 (en) * | 2008-12-23 | 2013-02-11 | Cisco Systems Int Sarl | Elevated toroid microphone |
CN102860039B (en) | 2009-11-12 | 2016-10-19 | 罗伯特·亨利·弗莱特 | Hands-free phone and/or microphone array and use their method and system |
US8831248B2 (en) * | 2010-08-04 | 2014-09-09 | Nokia Corporation | Apparatus with directivity pattern |
US9443529B2 (en) | 2013-03-12 | 2016-09-13 | Aawtend, Inc. | Integrated sensor-array processor |
US10204638B2 (en) | 2013-03-12 | 2019-02-12 | Aaware, Inc. | Integrated sensor-array processor |
US10049685B2 (en) | 2013-03-12 | 2018-08-14 | Aaware, Inc. | Integrated sensor-array processor |
JP6132910B2 (en) * | 2013-06-11 | 2017-05-24 | Toa株式会社 | Microphone device |
JP6353700B2 (en) * | 2014-05-20 | 2018-07-04 | 三菱電機インフォメーションネットワーク株式会社 | Two-way communication system between long-distance points and two-way communication method between long-distance points |
US9565493B2 (en) | 2015-04-30 | 2017-02-07 | Shure Acquisition Holdings, Inc. | Array microphone system and method of assembling the same |
US9554207B2 (en) | 2015-04-30 | 2017-01-24 | Shure Acquisition Holdings, Inc. | Offset cartridge microphones |
US9530426B1 (en) * | 2015-06-24 | 2016-12-27 | Microsoft Technology Licensing, Llc | Filtering sounds for conferencing applications |
US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
EP3425925A1 (en) * | 2017-07-07 | 2019-01-09 | Harman Becker Automotive Systems GmbH | Loudspeaker-room system |
EP3804356A1 (en) | 2018-06-01 | 2021-04-14 | Shure Acquisition Holdings, Inc. | Pattern-forming microphone array |
US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
WO2020061353A1 (en) | 2018-09-20 | 2020-03-26 | Shure Acquisition Holdings, Inc. | Adjustable lobe shape for array microphones |
US11558693B2 (en) | 2019-03-21 | 2023-01-17 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality |
CN113841419A (en) | 2019-03-21 | 2021-12-24 | 舒尔获得控股公司 | Housing and associated design features for ceiling array microphone |
US11438691B2 (en) | 2019-03-21 | 2022-09-06 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality |
EP3973716A1 (en) | 2019-05-23 | 2022-03-30 | Shure Acquisition Holdings, Inc. | Steerable speaker array, system, and method for the same |
US11302347B2 (en) | 2019-05-31 | 2022-04-12 | Shure Acquisition Holdings, Inc. | Low latency automixer integrated with voice and noise activity detection |
TWI731391B (en) * | 2019-08-15 | 2021-06-21 | 緯創資通股份有限公司 | Microphone apparatus, electronic device and method of processing acoustic signal thereof |
EP4018680A1 (en) | 2019-08-23 | 2022-06-29 | Shure Acquisition Holdings, Inc. | Two-dimensional microphone array with improved directivity |
US12028678B2 (en) | 2019-11-01 | 2024-07-02 | Shure Acquisition Holdings, Inc. | Proximity microphone |
US11552611B2 (en) | 2020-02-07 | 2023-01-10 | Shure Acquisition Holdings, Inc. | System and method for automatic adjustment of reference gain |
USD944776S1 (en) | 2020-05-05 | 2022-03-01 | Shure Acquisition Holdings, Inc. | Audio device |
US11706562B2 (en) | 2020-05-29 | 2023-07-18 | Shure Acquisition Holdings, Inc. | Transducer steering and configuration systems and methods using a local positioning system |
JP2024505068A (en) | 2021-01-28 | 2024-02-02 | シュアー アクイジッション ホールディングス インコーポレイテッド | Hybrid audio beamforming system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB429022A (en) * | 1933-10-23 | 1935-05-23 | Alan Dower Blumlein | Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems |
FR883707A (en) * | 1941-07-02 | 1943-07-13 | Klangfilm Gmbh | Directing sound devices |
US2810786A (en) * | 1950-06-12 | 1957-10-22 | Siemens Ag | Directional microphone system |
GB996002A (en) | 1960-11-01 | 1965-06-23 | Emi Ltd | Improvements in or relating to stereophonic sound translating arrangements |
US3502811A (en) * | 1967-12-11 | 1970-03-24 | Bell Telephone Labor Inc | Directional microphone with frequency independent beamwidth |
FR1576149A (en) * | 1968-08-07 | 1969-07-25 | ||
US3889227A (en) * | 1972-09-22 | 1975-06-10 | Tokyo Shibaura Electric Co | Ultrasonic wave receiving apparatus |
AT337280B (en) * | 1974-10-24 | 1977-06-27 | Saad Zaghloul Mohamed Gabr | CIRCUIT ARRANGEMENT FOR SUPPRESSION OF ACOUSTIC FEEDBACK |
GB1515533A (en) * | 1975-08-20 | 1978-06-28 | C S Antennas Ltd | Aerials |
US3992586A (en) * | 1975-11-13 | 1976-11-16 | Jaffe Acoustics, Inc. | Boardroom sound reinforcement system |
GB2008359B (en) | 1977-11-03 | 1982-05-12 | Post Office | Audio teleconferecing |
US4131760A (en) * | 1977-12-07 | 1978-12-26 | Bell Telephone Laboratories, Incorporated | Multiple microphone dereverberation system |
-
1979
- 1979-12-17 US US06/104,375 patent/US4311874A/en not_active Expired - Lifetime
-
1980
- 1980-12-08 CA CA000366295A patent/CA1166166A/en not_active Expired
- 1980-12-10 DE DE3046416A patent/DE3046416C2/en not_active Expired
- 1980-12-16 IT IT26676/80A patent/IT1134737B/en active
- 1980-12-16 NL NLAANVRAGE8006821,A patent/NL181965C/en not_active IP Right Cessation
- 1980-12-16 GB GB8040183A patent/GB2066620B/en not_active Expired
- 1980-12-16 FR FR8026672A patent/FR2472326B1/en not_active Expired
- 1980-12-17 KR KR1019800004815A patent/KR850000659B1/en active
- 1980-12-17 JP JP55177325A patent/JPS5925554B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL181965B (en) | 1987-07-01 |
JPS5698094A (en) | 1981-08-07 |
DE3046416C2 (en) | 1984-09-06 |
FR2472326A1 (en) | 1981-06-26 |
JPS5925554B2 (en) | 1984-06-19 |
NL181965C (en) | 1987-12-01 |
FR2472326B1 (en) | 1987-03-20 |
GB2066620A (en) | 1981-07-08 |
US4311874A (en) | 1982-01-19 |
CA1166166A (en) | 1984-04-24 |
KR830004750A (en) | 1983-07-16 |
IT8026676A0 (en) | 1980-12-16 |
NL8006821A (en) | 1981-07-16 |
KR850000659B1 (en) | 1985-05-07 |
IT1134737B (en) | 1986-08-13 |
DE3046416A1 (en) | 1981-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2066620B (en) | Microphone arrays | |
GB2063008B (en) | Loudspeaker sets | |
GB2062408B (en) | Speaker | |
DE3070816D1 (en) | Loud-speaker | |
GB2050111B (en) | Variable-directivity microphone device | |
JPS55106571A (en) | Ultrasoniccwave transducer | |
JPS55155248A (en) | Transducer | |
GB2062406B (en) | Variable-directivity microphone device | |
JPS5637621A (en) | Electret | |
JPS5657910A (en) | Transducer | |
GB2057225B (en) | Piezo-electric loudspeaker | |
GB2048583B (en) | Microphone connector | |
GB2046994B (en) | Insulatorsemiconductor structure | |
DE3062465D1 (en) | Linear-displacement transducer | |
GB2064265B (en) | Microphone unit | |
GB2067378B (en) | Electro-acoustic transducers | |
ZA797036B (en) | Transducer | |
JPS5685994A (en) | Electroacoustic transducer | |
GB2064263B (en) | Microphone unit | |
JPS55137956A (en) | Sheettshaped structure | |
JPS5696599A (en) | Electroacoustic transducer | |
GB2051918B (en) | Volume-enclosing structure | |
JPS5683827A (en) | Transducer | |
GB2064264B (en) | Microphone unit | |
GB2058181B (en) | Underwater structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 20001215 |